WO2017159405A1

WO2017159405A1 - Microscope

Info

Publication number: WO2017159405A1
Application number: PCT/JP2017/008506
Authority: WO
Inventors: 宇津木　裕徳; 靖生船越; 卓実梅村
Original assignee: オリンパス株式会社
Priority date: 2016-03-16
Filing date: 2017-03-03
Publication date: 2017-09-21
Also published as: JP6718708B2; CN108780220B; JP2017167354A; CN108780220A

Abstract

Provided is a microscope having excellent stability when installed, and whereby operability of the microscope is maintained. This microscope 100 is characterized by being provided with: a stage 3 for mounting a specimen 2; an operating handle 11 for moving the specimen 2 forward, backward, left, and right and positioning the specimen 2 on an observation optical axis; a revolver 5 capable of switching an objective lens 4 on the observation optical axis; a lens barrel 6 having an optical system for causing light condensed by the objective lens 4 to be incident on an eyepiece lens 7; a focusing handle 9 for moving the stage 3 in the direction of the observation optical axis; and a microscope body 1 having a base part 1a, a stand part 1b for retaining the stage 3, the stand part 1b being erected on a back side of the base part 1a, and an arm part 1c which is supported by the stand part 1b and extends toward a front side; the base part 1a having a first recess 10 in the vicinity of the operating handle 11.

Description

microscope

The present invention relates to a microscope used in the fields of medicine, biology and the like.

The upright microscope is used as a research, an inspection, and an educational application in medicine, biology, and other fields (see, for example, Patent Document 1 or 2). Among these applications, in educational applications, in addition to the requirement of basic functions as a microscope, there is a demand for space saving and storability in consideration of time when not used in a class or the like. On the other hand, in the inspection application, since many specimens are inspected in daily work, there is a high demand for operability for reducing the fatigue of the examiner.

Patent No. 3362892 gazette Patent No. 4221 285

In the erecting microscope of Patent Document 1, by making the shape from the base portion to the foot portion of the microscope frame to be Y-shaped, it is possible to cope with a wide stage and secure rigidity. Further, in the erected microscope of Patent Document 2, arranging support elements on both sides of the stand portion provides a free space that can be used for the operation of the microscope and guarantees the installation stability.

However, when the microscope frame structures of

Patent Documents

1 and 2 are adopted as they are for a small erect microscope, it is difficult to secure the installation stability while securing the operability of the microscope.

The present invention has been made in view of the above, and aims to provide a microscope excellent in installation stability as well as securing operability of the microscope even in a small-sized microscope.

In order to solve the problems described above and to achieve the object, the microscope of the present invention is mounted on a stage for mounting a sample and the stage, and moves the sample in the left and right direction, and the sample together with the stage The objective lens that holds an operation handle that moves in the front-rear direction to position the sample on the observation optical axis, and a plurality of objective lenses that condense the observation light from the sample, and places the objective lens on the observation optical axis A lens barrel having an optical system for causing the light collected by the objective lens on the observation light axis to be incident on an eyepiece lens; a focusing handle for moving the stage in the observation light axis direction; A base portion, a stand portion standing on the back side of the base portion, a stand portion for holding the stage, supported by the stand portion and extending toward the front side, the lens barrel at the top, the lower portion And a microscope main body having an arm portion to which the revolver is mounted, said base portion and having a first recess in the vicinity of the operating handle.

The microscope according to the present invention is characterized in that, in the above-mentioned invention, the first concave portion has a size of a range including a movement range of the operation handle accompanying the movement of the stage in the front-rear direction.

In the microscope according to the present invention as set forth in the invention described above, the stand portion has a second recess in the vicinity of the focusing handle.

Further, in the microscope according to the present invention, in the above-mentioned invention, the first recess has a gentle curved surface, and the narrowest part of the first recess is an initial position of the operation handle and the focusing handle. It is characterized by being located between.

The microscope according to the present invention is characterized in that, in the above-mentioned invention, the second concave portion has a gentle curved surface, and the center of the second concave portion is located above the focusing handle.

The microscope according to the present invention is characterized in that, in the above-mentioned invention, the central axis of the curved surface of the second recess is inclined in a direction connecting the revolver and the focusing handle.

In the microscope according to the present invention, since the base portion of the microscope body is provided with the first concave portion in which the central portion is constricted, the installation stability and the operability of the operation handle can be improved.

FIG. 1 is a perspective view showing a schematic configuration of a microscope according to a first embodiment of the present invention. FIG. 2 is a top view of the microscope of FIG. FIG. 3 is a front view of the microscope of FIG. FIG. 4 is a side view of the microscope of FIG. FIG. 5 is a bottom view of the microscope of FIG. 6 is a rear view of the microscope of FIG. FIG. 7 is a rear view of an arm unit of a microscope according to a modification of the first embodiment of the present invention.

Hereinafter, a microscope according to an embodiment of the present invention will be described in detail based on the drawings. The present invention is not limited by this embodiment. Furthermore, in the description of the drawings, the same parts are given the same reference numerals. Furthermore, it should be noted that the drawings are schematic, and the relationship between the thickness and width of each member, the ratio of each member, and the like are different from reality. In addition, among the drawings, there are included parts having different dimensions and ratios.

Embodiment 1
FIG. 1 is a perspective view showing a schematic configuration of a microscope according to a first embodiment of the present invention. FIG. 2 is a top view of the microscope of FIG. FIG. 3 is a front view of the microscope of FIG. FIG. 4 is a side view of the microscope of FIG. FIG. 5 is a bottom view of the microscope of FIG. 6 is a rear view of the microscope of FIG. In the present specification, the side on which the examiner is located for observation is referred to as the front side of the microscope, and the side opposite to the front side is referred to as the back side of the microscope.

The microscope 100 is provided with a stage 3 on which a sample 2 is placed, a revolver 5 for holding a plurality of objective lenses 4, and a lens barrel 6 in a microscope main body 1. The microscope main body 1 is a housing that supports each component of the microscope 100, and is configured by a combination of parts made of an aluminum alloy or the like or a plastic material. The microscope main body 1 is provided with a base portion 1a in which an illumination optical system (not shown) is provided, a stand portion 1b standing upright on the back side of the base portion 1a and holding the stage 3, and a stand portion 1b It has an arm portion 1 c which is extended and provided and holds the revolver 5 and the lens barrel 6.

The stage 3 has an upper stage 3a, a lower stage (not shown), and a moving unit (not shown). The sample 2 is placed on the upper stage 3a, and the lower stage disposed below the upper stage 3a is fixed to a focusing mechanism (not shown) held by the stand 1b. The moving unit has a drive mechanism (not shown) for independently moving the sample 2 in the horizontal direction (horizontal direction as viewed from the observer) or in the vertical direction (longitudinal direction as viewed by the observer) in the horizontal plane. doing. Further, on the upper stage 3a, an operation handle 11 for transmitting power to the drive mechanism of the moving unit is assembled. The operation handle 11 has an operation unit 11a and an operation unit 11b, moves the sample 2 in the front-rear direction together with the upper stage 3a by the operation of the operation unit 11a, and operates the operation unit 11b. Move in the left and right direction via When moving the sample 2 in the front-rear direction by the operation of the operation unit 11a, the operation handle 11 moves in the front-rear direction together with the upper stage 3a (moves from position P1 to position P2 shown in FIG. 2).

A focusing handle 9 is disposed on the left and right side surfaces of the stand 1 b and connected to the focusing mechanism. The rotational force of the focusing handle 9 is transmitted to the focusing drive unit to move the stage 3 in the direction of the observation light axis L (vertical direction).

A light source (not shown) for transmissive illumination is built in on the front side of the base portion 1a, and an adjustment knob 14 for adjusting the brightness of the light source is provided on the front side. Further, on the bottom side of the base portion 1a, a vibration-proofing member 12 is provided which absorbs the steps and waviness of the desk top surface to improve the stability of the installation of the microscope main body 1.

Furthermore, as shown in FIG. 2 and FIG. 5, the base portion 1 a is formed with a first concave portion 10 having a curved surface C1 in which the vicinity of the center between the left and right side surfaces is constricted. The first recess 10 is formed in the vicinity of the operation handle 11 and has a size including a position P1 to a position P2 which is a movement range. The curved surface C1 is a substantially spherical surface drawn by an arc. In FIG. 2, the lens barrel 6, the stage 3 and the like are shown by dotted lines in order to understand the shape of the first concave portion 10 of the base portion 1 a. The first concave portion 10 is the narrowest portion between the initial position P0 of the operation handle 11 and the focusing handle 9 and extends continuously on the front and back sides of the base portion 1a, and the stand portion on the back side It is connected gently with 1b. Further, the upper surface side of the base portion 1a is narrower than the bottom surface side, and the cross section in the vertical left-right direction is formed in a trapezoidal shape. The initial position P0 is the center position of the back and forth stroke (midway between the position P1 and the position P2).

In the conventional microscope, the upper surface side of the base portion 1a is narrower than the bottom surface side, and the cross section in the vertical left-right direction is trapezoidal to prevent interference with the base portion 1a when the operation handle 11 moves in the front-rear direction. However, the operation space for operating the operation handle 11 is not sufficient, nor is it excellent in the stability at the time of installation. In the microscope 100 according to the present embodiment, by providing the first recess 10 on both the left and right side surfaces of the base portion 1a, the operation space required for the operation of the operation handle 11 can be secured, and stability when installing the microscope 100. It is possible to improve the quality.

As shown in FIGS. 3 and 6, a second recess 20 having a curved surface C2 is formed in the vicinity of the focusing handles 9 on the left and right sides of the stand 1b. The curved surface C2 is a substantially spherical surface turned by an arc. Similar to FIG. 2, in FIG. 3, the lens barrel 6, the stage 3 and the like are shown by dotted lines in order to understand the shape of the second concave portion 20 of the stand portion 1 b. The second recess 20 is located in the vicinity of the focusing handle 9, preferably at the most narrow point above the rotation axis of the focusing handle 9, and extends continuously above and below the stand 1b and the base below It is connected smoothly with 1a. The central axis A of the curved surface of the second recess 20 is inclined in the direction connecting the revolver 5 and the focusing handle 9. Furthermore, a hemispherical groove 15 for securing an operation space of the focusing handle 9 is provided around the focusing handle 9.

In the conventional microscope, the operation space of the focusing handle 9 is secured by providing the hemispherical groove 15 around the focusing handle 9, but the operation space of the focusing handle 9 is not sufficient. Moreover, when performing observation by switching the objective lens 4 to be used from low magnification to high magnification, after the rotation operation of the revolver 5, the operation of the focusing handle 9 is required, but in the conventional microscope, the revolver 5 and the focusing The flow line in the case of continuously operating the handle 9 was not considered at all, and the burden on the examiner was large. In the microscope 100 according to the present embodiment, by providing the second concave portions 20 on the left and right side surfaces of the stand portion 1b, an operation space required for the operation of the focusing handle 9 can be sufficiently secured. Since a space on the flow line between the steering wheel 9 and the steering wheel 9 can also be secured, the blind operation can be facilitated, and the burden on the observer can be reduced.

A lens barrel 6 is attached to an upper portion and a revolver 5 is attached to a lower portion on the front side of the arm portion 1c. As shown in FIG. 2, the width of the arm portion 1 c in the left-right direction is narrower at the front surface side to which the revolver 5 and the lens barrel 6 are attached than at the rear surface side connected smoothly with the stand portion 1 b. By making the front side of the arm portion 1c narrower than the rear side, it is possible to reduce the weight while maintaining the rigidity of the microscope main body 1.

The revolver 5 is detachably attached with a plurality of objective lenses 4 having different magnifications. The revolver 5 has a cylindrical shape and has an operation ring 5a whose outer periphery is knurled, and a predetermined objective lens 4 can be arranged on the observation light axis L by rotating the operation ring 5a.

The lens barrel 6 is provided with two eyepiece lenses 7 and a TV (television) port 8 for attaching an imaging unit such as a CCD camera. In addition, an optical system (not shown) for incorporating light incident from the objective lens 4 on the observation light axis L into the eyepiece lens 7 or the imaging unit is incorporated in the lens barrel 6. When observing with the microscope 100, the lens barrel 6 is mounted so that the eyepiece 7 is on the front side of the microscope 100, but the lens barrel 6 is rotatable so that the eyepiece 7 faces the back side of the microscope 100. The sample can be observed and stored from the back side by rotating it.

As described above, the microscope 100 according to the present embodiment is provided with the first recessed portion 10 which is narrowed inwardly on the left and right side surfaces of the base portion 1a, so that the operation space of the operation handle 11 can be secured. Stability at the time of installation of the microscope 100 can be improved. In particular, since the front side of the base portion 1a is wide, stability is high even in the forward oblique direction. In addition, since the second concave portion 20 which is narrowed inward is provided on both left and right side surfaces of the stand portion 1 b, an operation space required for the operation of the focusing handle 9 can be sufficiently secured, and the revolver 5 and the focusing handle 9 are provided. Space on the flow line between Furthermore, since the upper and lower portions of the stand portion 1b are wider, the installation stability and the rigidity of the microscope main body 1 can be improved. Furthermore, since the first concave portion 10 and the second concave portion 20 are formed by gentle curved surfaces, even if the user accidentally touches the case during operation, the contact is smooth and gentle to the hand.

In the present embodiment, the first concave portion 10 and the second concave portion 20 form a substantially spherical surface turned by a circular arc, but the present invention is not limited to this, considering the design of the microscope main body 1 It may be a gentle concave having an ellipsoidal surface or a free-form surface. Alternatively, if the operation space of the focusing handle 9 or the operation handle 11 can be secured and the installation stability can also be ensured, the first recess 10 and the second recess 20 are recesses having a multifaceted shape. May be

Further, in the present embodiment, the central axis A of the curved surface of the second recess 20 is inclined in the direction connecting the revolver 5 and the focusing handle 9, but the central axis A of the curved surface of the second recess 20 is horizontal. It may be a direction.

Furthermore, an opening may be provided on the back side of the arm 1 c to provide an observation window for observation from the back side with natural light. FIG. 7 is a rear view of an arm 1 c of a microscope 100A according to a modification of the first embodiment of the present invention. The microscope 100A according to the modification has an opening 16 on the back side of the arm 1c. By having the opening portion 16, when observing the sample 2 from the back side by rotating the lens barrel 6, the mounting of the sample 2 on the stage 3 becomes easy.

As described above, the microscope according to the present invention is useful for a small microscope used for inspection or educational applications.

Reference Signs List 1 microscope main body 1a base 1b stand 1c arm 2 specimen 3 stage 4 objective 5 revolver 6 lens barrel 7 eyepiece 8 TV port 9 focusing handle 10 first recess 11

operation handle

11a, 11b operation unit 12 anti-vibration Member 13 Clenmel 14 Adjustment knob 15 Hemispherical groove 16 Opening 20

Second recess

100, 100A microscope

Claims

A stage on which the sample is placed;
An operation handle attached to the stage to move the sample in the left-right direction and move the sample together with the stage in the front-rear direction to position the sample on the observation optical axis;
A revolver capable of holding a plurality of objective lenses for condensing observation light from the sample and switching the objective lenses disposed on the observation light axis;
A lens barrel having an optical system for causing light collected by the objective lens on the observation light axis to be incident on an eyepiece;
A focusing handle that moves the stage in the observation light axis direction;
A base portion, a stand portion standing on the back side of the base portion, a stand portion for holding the stage, supported by the stand portion and extending toward the front side, the lens barrel at the top, the revolver at the bottom A microscope body having an arm portion to which the
Equipped with
The microscope, wherein the base portion has a first recess in the vicinity of the operation handle.
2. The microscope according to claim 1, wherein the first recess has a size including a movement range of the operation handle accompanying the movement of the stage in the front-rear direction.
The microscope according to claim 1, wherein the stand portion has a second recess in the vicinity of the focusing handle.
The first recess has a gentle curved surface, and the narrowest part of the first recess is located between the initial position of the operating handle and the focusing handle. The microscope according to any one of 3.
The microscope according to claim 3, wherein the second recess has a gentle curved surface, and a center of the second recess is located above the focusing handle.
The microscope according to claim 3, wherein a central axis of a curved surface of the second concave portion is inclined in a direction connecting the revolver and the focusing handle.